Originally posted by: happybillThe file type that does not open is avi; though some AVI files open no problem; what could make these different?
Sounds like a codec issue. (Not sure if any of them comes with Catalyst these days.)
1. Get a file that plays and one that doesn't play.
2. Open them both with virtualdub and post what it says for file info.
3. Open them both in MPC-HC (while all internal filters are disabled) and check the filter list during playback. Post what is being used.
4. Optional: Open them both in GraphEdit/GraphStudio and auto-build a graph. Post what filters are being used.
If anything crashes during doing all these, mention it here as well.
You should also tell us what codec pack(s) you have installed right now.
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